Home / 25,755.38-38,657.98-12,437.71

Finding the Fourth Proportional to 25,755.38, 38,657.98 and 12,437.71

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Solution

The fourth proportional to 25,755.38, 38,657.98 and 12,437.71 is: 18,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.38 : 38,657.98 = 12,437.71 : x
  2. Step 2: Convert to fraction form
    25,755.38/38,657.98 = 12,437.71/x
  3. Step 3: Cross multiply
    25,755.38x = 38,657.98 × 12,437.71
  4. Step 4: Simplify right side
    25,755.38x = 480,816,663.33
  5. Step 5: Solve for x
    x = 480,816,663.33/25,755.38
  6. Step 6: Final answer
    x = 18,668.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.